1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ***   To edit the content of this header, modify the corresponding
11 ***   source file (e.g. under external/kernel-headers/original/) then
12 ***   run bionic/libc/kernel/tools/update_all.py
13 ***
14 ***   Any manual change here will be lost the next time this script will
15 ***   be run. You've been warned!
16 ***
17 ****************************************************************************
18 ****************************************************************************/
19#ifndef _ASM_GENERIC_IOCTL_H
20#define _ASM_GENERIC_IOCTL_H
21#define _IOC_NRBITS 8
22#define _IOC_TYPEBITS 8
23/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
24#define _IOC_SIZEBITS 14
25#define _IOC_DIRBITS 2
26#define _IOC_NRMASK ((1 << _IOC_NRBITS)-1)
27#define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS)-1)
28/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
29#define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1)
30#define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1)
31#define _IOC_NRSHIFT 0
32#define _IOC_TYPESHIFT (_IOC_NRSHIFT+_IOC_NRBITS)
33/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
34#define _IOC_SIZESHIFT (_IOC_TYPESHIFT+_IOC_TYPEBITS)
35#define _IOC_DIRSHIFT (_IOC_SIZESHIFT+_IOC_SIZEBITS)
36#define _IOC_NONE 0U
37#define _IOC_WRITE 1U
38/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
39#define _IOC_READ 2U
40#define _IOC(dir,type,nr,size)   (((dir) << _IOC_DIRSHIFT) |   ((type) << _IOC_TYPESHIFT) |   ((nr) << _IOC_NRSHIFT) |   ((size) << _IOC_SIZESHIFT))
41extern unsigned int __invalid_size_argument_for_IOC;
42#define _IOC_TYPECHECK(t)   ((sizeof(t) == sizeof(t[1]) &&   sizeof(t) < (1 << _IOC_SIZEBITS)) ?   sizeof(t) : __invalid_size_argument_for_IOC)
43/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
44#define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0)
45#define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),(_IOC_TYPECHECK(size)))
46#define _IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
47#define _IOWR(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
48/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
49#define _IOR_BAD(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size))
50#define _IOW_BAD(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),sizeof(size))
51#define _IOWR_BAD(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size))
52#define _IOC_DIR(nr) (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK)
53/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
54#define _IOC_TYPE(nr) (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK)
55#define _IOC_NR(nr) (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK)
56#define _IOC_SIZE(nr) (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK)
57#define IOC_IN (_IOC_WRITE << _IOC_DIRSHIFT)
58/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
59#define IOC_OUT (_IOC_READ << _IOC_DIRSHIFT)
60#define IOC_INOUT ((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT)
61#define IOCSIZE_MASK (_IOC_SIZEMASK << _IOC_SIZESHIFT)
62#define IOCSIZE_SHIFT (_IOC_SIZESHIFT)
63/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
64#endif
65